National capital region Chapter

Thank you for visiting The Hydrographic Society of America - National Capital Region Chapter.

The Hydrographic Society of America (THSOA) National Capital Region Chapter serves as the focal point for hydrographic activities in Washington, DC including Delaware, Kentucky, Maryland, New Jersey, North Carolina, Pennsylvania, Tennessee, Virginia and West Virginia.

Learn More About the National Capital

The Hydrographic Society of America (THSOA) National Capital Region Chapter is a non-profit organization committed to promoting education in offshore survey, positioning and mapping, including hydrography and related earth sciences.